Meizhou Chemical Production Line

Description :

　　Chemical comprehensive production line process for brushed paint:

　　1. Dilution ratio: If necessary, dilute with clean water. To ensure better elasticity of the paint film, do not dilute.

　　2. Construction conditions: Construction shall be carried out in an environment with a temperature above 5 ℃ and a relative humidity below 85 ℃.

　　3. Storage method: Store in a cool and dry place, with a temperature above 5 ℃ and below 40 ℃.

　　4. Safety: The raw materials do not contain harmful substances such as mercury and lead.

　　The construction of elastic brushed paint is a newly developed construction technology, and the chemical comprehensive production line technology highlights the crack resistance and main texture effect of the product. The process is as follows:

　　1. Base treatment: Before base treatment, the wall needs a certain amount of time for maintenance.

　　2. Apply sealing primer: After the putty is completely dry, apply one coat of sealing primer. Sealing primer generally does not require additional diluent for dilution. Before painting, the base layer should be polished flat, and floating dust should be cleaned. Construction tools should be kept clean to ensure that the sealing primer is not contaminated in any way. The construction method of roller coating is generally used for sealing primer. It is both convenient and fast.

　　3. Brushing brushed topcoat: Apply elastic brushed paint with a special pattern roller to reduce bubbles and pinholes caused by the roller. The viscosity adjustment is relatively high during product manufacturing, so adding water is prohibited during construction.

　　4. Apply elastic topcoat: To increase the thickness and three-dimensional texture of the brushed paint, it is recommended to apply a flat layer of elastic paint on the brushed paint surface.

　　5. Precautions: Precautions for the construction of brushed paint include increasing cohesiveness, appropriately extending drying time, and paying attention to the "initial drying resistance" of the coating.

　　The main purpose and configuration of the experimental apparatus for chemical engineering principles

　　Principles of Chemical Engineering is a highly practical technical foundation course and a core course in various chemical engineering majors. It belongs to the scope of engineering disciplines and applies the basic principles of natural sciences to analyze and process the physical processes in chemical production. The experiment of chemical engineering principles, like theoretical courses, is an important part of the entire teaching of chemical engineering principles. The two complement each other and play a crucial role in cultivating talents in chemical engineering and related fields. The main task of the chemical engineering principle experimental device is to undertake theoretical teaching, experimental teaching, and course design guidance for courses such as "Chemical Engineering Principles", "Chemical Engineering Fundamentals", "Fluid Flow and Heat Transfer", "Mass Transfer and Separation Processes" in relevant majors throughout the school.

　　Heat exchanger is not only a universal process equipment widely used in various industrial sectors such as petroleum, chemical production lines, fertilizers, power, metallurgy, transportation, etc., but also an effective device for waste heat recovery and utilization. Shell and tube heat exchanger is currently a commonly used structural form of heat exchange equipment in thermal systems. The support structure of the tube bundle is the key structure of the shell side, which can generate the desired flow pattern of the shell side fluid and is an important factor in determining the heat transfer and flow resistance performance of the heat exchanger. Different shell side fluid flow patterns result in significant differences in the heat transfer and flow resistance performance of the heat exchanger.

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